emails/app/views/spree/shared/_base_mailer_footer.html.erb
<!-- You can override this template to design your own footer.
<table class="email-footer" align="center" width="570" cellpadding="0" cellspacing="0" role="presentation">
<tr>
<td class="content-cell" align="center">
<p class="f-fallback sub align-center">
<a href="#">Terms</a> | <a href="#">Privacy</a> |
<a href="#">Unsubscribe</a>
</p>
</td>
</tr>
</table>
-->